吉林大学学报(工学版) ›› 2022, Vol. 52 ›› Issue (8): 1786-1791.doi: 10.13229/j.cnki.jdxbgxb20210154

• 交通运输工程·土木工程 • 上一篇    

城市快速路右侧车道移动作业区行车风险分析

方松1,2(),马健霄1(),李根1,沈玲宏1,徐楚博1   

  1. 1.南京林业大学 汽车与交通工程学院，南京 210037
    2.南京铁道职业技术学院 机车车辆学院，南京 210031
  • 收稿日期:2021-02-26 出版日期:2022-08-01 发布日期:2022-08-12
  • 通讯作者: 马健霄 E-mail:472916417@qq.com;majx@njfu.edu.cn
  • 作者简介:方松（1989-），男，讲师，博士. 研究方向：交通安全. E-mail： 472916417@qq.com
  • 基金资助:
    国家自然科学基金青年基金项目(51508280);江苏省高校优秀科技创新团队项目(2019042);江苏省高等学校自然科学研究面上项目(21KJB580018)

Traffic risk analysis of moving work zone on right lane of city expressway

Song FANG1,2(),Jian-xiao MA1(),Gen LI1,Ling-hong SHEN1,Chu-bo XU1   

  1. 1.College of Automobile and Traffic Engineering，Nanjing Forestry University，Nanjing 210037，China
    2.College of Locomotive and Vehicle，Nanjing Vocational Institute of Railway Technology，Nanjing 210031，China
  • Received:2021-02-26 Online:2022-08-01 Published:2022-08-12
  • Contact: Jian-xiao MA E-mail:472916417@qq.com;majx@njfu.edu.cn

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摘要：

采用VISSIM仿真软件，分析了三车道城市快速路右侧车道移动作业区的影响范围和行车风险变化规律。结果表明：最左侧车道仅在道路交通量达到2000 pcu/h时受到右侧车道移动作业区的间接影响；移动作业区对中间车道的影响受到道路交通量和移动作业区时速的支配；右侧车道后方200 m范围内受到移动作业区的直接影响；当道路交通量达到1600 pcu/h或更低时，随着交通量的降低和移动作业区时速的提高，路段平均行车风险逐渐降低。研究成果可为城市道路作业车辆的运营管理提供科学依据。

关键词: 交通运输系统工程, 城市快速路, 移动作业区, 行车风险

Abstract:

The VISSIM simulation software is used to analyze the influence range and driving risk variation rule of moving work zone on right lane of a three-lane urban expressway. The results show that the leftmost lane is only indirectly affected by the moving work zone when the traffic volume reaches 2000 pcu/h. The influence of moving work zone on the middle lane is controlled by the traffic volume and the speed of moving work zone. A range of 200 m behind moving work zone on the right lane is directly affected by moving work zone. When the traffic volume reaches 1600 pcu/h or lower， with the decrease of the traffic volume and the increase of the speed of moving work zone， the average driving risk of the road section decreases gradually. The research results can provide a scientific basis for the operation and management of urban road working vehicles.

Key words: engineering of communications and transportation system, city expressway, moving work zones, traffic risk

中图分类号: 

  • U491

图1

左侧车道时速统计"

图2

中间车道时速统计"

图3

右侧车道时速统计"

表1

临界加速度与行车风险指数对照表"

临界加速度/（m·s-2）行车风险指数

<2

2~4

0

1

4~52
5~64
6~76
7~88
>810

表2

路段平均行车风险统计"

路段区间/m2000 pcu/h1600 pcu/h1200 pcu/h
5 km/h10 km/h15 km/h5 km/h10 km/h15 km/h5 km/h10 km/h15 km/h
平均值3.875.027.285.864.934.764.564.394.26
0~506.025.015.938.166.834.47.236.656.00
50~1003.303.295.516.154.203.983.723.563.43
100~1503.123.387.893.943.143.624.423.113.12
150~2003.063.068.386.946.175.434.534.364.27
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